Tidy up the README

- Correct the company name
- Add backticks around commands, filenames, and directory names
- A couple of grammatical fixes
Merge pull request #9 from dpursehouse/tidy-up-readme

Tidy up the README
Removed aapt config

This follows our internal confiugration.

Change-Id: Idb667d23bdfa99686f66aa0bbeea51dec4e47395
Also disable hardware/akm